Add dump keys to file command to TUI

src/views/settings.cpp

@@ -29,6 +29,8 @@
 #include "wallet.h"
 
 #include <charconv>
+#include <filesystem>
+#include <fstream>
 #include <ftxui/component/component.hpp>
 #include <ftxui/component/event.hpp>
 #include <lws_frontend.h>
@@ -178,6 +180,7 @@ namespace lwcli { namespace view
       const ftxui::Element title_;
       const ftxui::Component buttons_;
       const ftxui::Element display_;
+      const std::shared_ptr<Monero::Wallet> wal_;
 
       bool Focusable() const override final { return true; }
       ftxui::Component ActiveChild() override final { return buttons_; }
@@ -196,12 +199,38 @@ namespace lwcli { namespace view
         });
       }
 
+      void DumpKeys()
+      {
+        std::string filename = "lwcli_keys_dump.txt";
+        std::string wallet_path = wal_->path();
+        if (!wallet_path.empty())
+        {
+          std::filesystem::path p(wallet_path);
+          filename = (p.parent_path() / filename).string();
+        }
+
+        std::ofstream out(filename);
+        if (out)
+        {
+          out << "Address: " << wal_->mainAddress() << "\n"
+              << "Spend Pub: " << wal_->publicSpendKey() << "\n"
+              << "View Pub: " << wal_->publicViewKey() << "\n"
+              << "Spend Key: " << wal_->secretSpendKey() << "\n"
+              << "View Key: " << wal_->secretViewKey() << "\n"
+              << "Seed: " << wal_->seed({}) << std::endl;
+        }
+      }
+
     public:
       explicit show_keys_(const std::shared_ptr<Monero::Wallet>& wal)
         : ftxui::ComponentBase(),
           title_(ftxui::text(_("Wallet (Secret) Keys"))),
-          buttons_(ftxui::Button(_("Close"), [] () { throw event::close{}; }, ascii())),
-          display_(get_keys(wal))
+          buttons_(ftxui::Container::Horizontal({
+            ftxui::Button(_("Close"), [] () { throw event::close{}; }, ascii()),
+            ftxui::Button(_("Dump to File"), [this] { DumpKeys(); }, ascii())
+          })),
+          display_(get_keys(wal)),
+          wal_(wal)
       {}
 
       bool OnEvent(ftxui::Event event) override final